JetBrains/intellij-community · error · IllegalArgumentException

Invalid given row index: %d. Index should be in range from 0

Error message

Invalid given row index: %d. Index should be in range from 0 to %d

What it means

DynamicNestedTable.setRow(int, GridRow) throws IllegalArgumentException when rowIdx is not a valid row index (negative or >= myRows.size()). The message states the accepted range 0..rows-1, computed as myRows.size() - 1.

Source

Thrown at grid/core-impl/src/datagrid/DynamicNestedTable.java:146

  }

  @Override
  public String getColumnTypeName(int colIdx) {
    if (!isValidColumnIdx(colIdx)) {
      throw new IllegalArgumentException("Given column index " + colIdx + " is not valid.");
    }

    List<String> columnValues = getColumnValues(colIdx);
    TypeMerger merger = CsvImportUtil.getPreferredTypeMergerBasedOnContent(
      columnValues, STRING_MERGER, INTEGER_MERGER, BIG_INTEGER_MERGER, DOUBLE_MERGER, BOOLEAN_MERGER);

    return merger.getName();
  }

  @Override
  public void setRow(int rowIdx, GridRow row) {
    if (!isValidRowIdx(rowIdx)) {
      throw new IllegalArgumentException(
        format("Invalid given row index: %d. Index should be in range from 0 to %d", rowIdx, myRows.size() - 1)
      );
    }
    myRows.set(rowIdx, new Row(row.getRowNum(), GridRow.getValues(row)));
  }

  @Override
  public void addRow(@NotNull GridRow value) {
    myRows.add(new Row(value.getRowNum(), GridRow.getValues(value)));
  }

  @Override
  public void removeRow(int rowIdx) {
    myRows.remove(rowIdx);
  }

  @Override
  public int getRowNum(int modelRowIdx) {

View on GitHub (pinned to be881553f2)

Solutions

1. Check isValidRowIdx(rowIdx) before setRow; if the intent is appending, call addRow instead.
2. Re-resolve the row index immediately before the write, after any mutation batch completes.
3. Wrap batch edit + setRow so no other mutation can interleave (single EDT transaction).

Example fix

// before
table.setRow(rowIdx, updatedRow); // rowIdx may be == rowsNum

// after
if (table.isValidRowIdx(rowIdx)) table.setRow(rowIdx, updatedRow);
else table.addRow(updatedRow);

if (!table.isValidRowIdx(rowIdx)) {
  if (rowIdx == table.getRowsNum()) { table.addRow(row); return; }
  throw new IllegalArgumentException("row index " + rowIdx + " out of 0.." + (table.getRowsNum() - 1));
}

When it happens

Trigger: Calling setRow with an index captured before rows were removed, or after sorting/filtering changed the row list, or with rowIdx == getRowsNum() (appending is not supported; use addRow).

Common situations: Editor code writing back an edited row after the model received a removeRows/insertRows batch in between; using a model-row index where the nested table expects its own storage index.

Related errors

• "Given column index " + colIdx + " is not valid."
• "Starting index " + startingIdx + " is greater than the tota
• "Given column index " + colIdx + " is not valid."
• "Unable to set value. No GridRow found at row index: " + row
• Row %d failed: hierarchicalIdx cannot be null

AI-assisted analysis of JetBrains/intellij-community@be881553f2 (2026-08-14). Data as JSON: /api/errors/a9c2856e0c226993. Report an issue: GitHub.